Peptide-functionalized spherical polyelectrolyte nanobrushes for real-time sensing of protease activity

Bin Cheng Yin, Min Zhang, Weihong Tan*, Bang Ce Ye

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

(Figure Presented) Magic nanobrush: We report an effective self-assembled spherical polyelectrolyte nanobrush (SPB) composites with peptides and demonstrate its feasibility in detecting protease activity in a homogeneous solution. This assay allows rapid and accurate determination of protease kinetic parameters as well as inhibition constants. The sensitivity can be significantly improved to 1.0 x 10-3 units (1.85-5.55 nm) thrombin. Our results demonstrate that SPBs, as a new class of nanostructures, can provide an excellent platform for enzyme studies and molecular sensing development.

Original languageEnglish
Pages (from-to)494-497
Number of pages4
JournalChemBioChem
Volume11
Issue number4
DOIs
StatePublished - 1 Mar 2010
Externally publishedYes

Keywords

  • Fluorescence polarization
  • Fluorescent probes
  • Inhibitors
  • Proteases
  • Thrombin

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